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DBMS > Apache Jena - TDB vs. HarperDB vs. LMDB vs. SQL.JS

System Properties Comparison Apache Jena - TDB vs. HarperDB vs. LMDB vs. SQL.JS

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Editorial information provided by DB-Engines
NameApache Jena - TDB  Xexclude from comparisonHarperDB  Xexclude from comparisonLMDB  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionA RDF storage and query DBMS, shipped as an optional-use component of the Apache Jena frameworkUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.A high performant, light-weight, embedded key-value database libraryPort of SQLite to JavaScript
Primary database modelRDF storeDocument storeKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.75
Rank#84  Overall
#3  RDF stores
Score0.55
Rank#248  Overall
#38  Document stores
Score1.99
Rank#125  Overall
#21  Key-value stores
Score0.53
Rank#252  Overall
#116  Relational DBMS
Websitejena.apache.org/­documentation/­tdb/­index.htmlwww.harperdb.iowww.symas.com/­symas-embedded-database-lmdbsql.js.org
Technical documentationjena.apache.org/­documentation/­tdb/­index.htmldocs.harperdb.io/­docswww.lmdb.tech/­docsql.js.org/­documentation/­index.html
DeveloperApache Software Foundation infooriginally developed by HP LabsHarperDBSymasAlon Zakai infoenhancements implemented by others
Initial release2000201720112012
Current release4.9.0, July 20233.1, August 20210.9.32, January 2024
License infoCommercial or Open SourceOpen Source infoApache License, Version 2.0commercial infofree community edition availableOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaNode.jsCJavaScript
Server operating systemsAll OS with a Java VMLinux
OS X
Linux
Unix
Windows
server-less, requires a JavaScript environment (browser, Node.js)
Data schemeyes infoRDF Schemasdynamic schemaschema-freeyes
Typing infopredefined data types such as float or dateyesyes infoJSON data typesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nonono
Secondary indexesyesyesno
SQL infoSupport of SQLnoSQL-like data manipulation statementsnoyes infoSQL-92 is not fully supported
APIs and other access methodsFuseki infoREST-style SPARQL HTTP Interface
Jena RDF API
RIO infoRDF Input/Output
JDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
JavaScript API
Supported programming languagesJava.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
JavaScript
Server-side scripts infoStored proceduresyesCustom Functions infosince release 3.1nono
Triggersyes infovia event handlernonono
Partitioning methods infoMethods for storing different data on different nodesnoneA table resides as a whole on one (or more) nodes in a clusternonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infothe nodes on which a table resides can be definednonenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID infoTDB TransactionsAtomic execution of specific operationsACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes, using LMDByesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes
User concepts infoAccess controlAccess control via Jena SecurityAccess rights for users and rolesnono

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More resources
Apache Jena - TDBHarperDBLMDBSQL.JS
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